<!DOCTYPE html>
<html>
<head>
    <title>Scrollable test</title>
</head>
<body>
<script src='mouse-helper.js'></script>
<script>
    for (let i = 0; i < 100; i++) {
        let button = document.createElement('button');
        button.textContent = i + ': not clicked';
        button.id = 'button-' + i;
        button.onclick = () => button.textContent = 'clicked';
        button.oncontextmenu = event => {
            if (![2].includes(event.button)) {
                return;
            }
            event.preventDefault();
            button.textContent = 'context menu';
        }
        button.onmouseup = event => {
            if (![1,3,4].includes(event.button)) {
                return;
            }
            event.preventDefault();
            button.textContent = {
                3: 'back click',
                4: 'forward click',
                1: 'aux click',
            }[event.button];
        }
        document.body.appendChild(button);
        document.body.appendChild(document.createElement('br'));
    }
</script>
</body>
</html>
